URL https://opencores.org/ocsvn/klc32/klc32/trunk

Subversion Repositories klc32

[/] [klc32/] [trunk/] [software/] [bootrom.lst] - Blame information for rev 12

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                                                KEYBD           EQU             $FFDC0000
                                                KEYBDSTAT       EQU             $FFDC0002
 
FFFF0000                                        ORG     $FFFF0000
 
FFFF0000        24018000                        ORI     R1,R0,#$FFD00000
FFFF0004        FFD00000
FFFF0008        24020005                        ORI     R2,R0,#5
FFFF000C        24030020                        ORI     R3,R0,#32
FFFF0010        EC221800                        PUSH    R1/R2/R3
FFFF0014        57FF0060                        JSR             $FFFF0060
FFFF0018        D4620800                        POP             R3/R2/R1
FFFF001C        00000035                        STOP
 
FFFF0060                                        ORG $FFFF0060
FFFF0060        DBDE0018                        LINK    R30,#24
FFFF0064        24018000                        ORI     R1,R0,#$FFD00000
FFFF0068        FFD00000
FFFF006C        24020005                        ORI     R2,R0,#5
FFFF0070        24030020                        ORI     R3,R0,#32
FFFF0074                                J1:
FFFF0074        E4230000                        SH              R3,0(R1)
FFFF0078        10210002                        ADDI    R1,R1,#2
FFFF007C        14420001                        SUBI    R2,R2,#1
FFFF0080        4006FFF0                        BNE             CR0,J1
FFFF0084        07DE0018                        UNLK    R30
FFFF0088        00000022                        RTS             #0,#0
 
FFFF008C                                CheckForKey:
FFFF008C        C8018000                        LB              R1,KEYBD
FFFF0090        FFDC0000
FFFF0094        480B0800                        SMI             CR0,R1
FFFF0098        00000022                        RTS
 
FFFF009C                                GetKey:
FFFF009C        C8018000                        LB              R1,KEYBD
FFFF00A0        FFDC0000
FFFF00A4        C8008000                        LB              R0,KEYBDSTAT    ; clear keyboard strobe
FFFF00A8        FFDC0002
FFFF00AC        00000022                        RTS
 
 

Line No.	Rev	Author	Line
1	11	robfinch	`KEYBD EQU $FFDC0000`
2			`KEYBDSTAT EQU $FFDC0002`
3
4			`FFFF0000 ORG $FFFF0000`
5
6			`FFFF0000 24018000 ORI R1,R0,#$FFD00000`
7			`FFFF0004 FFD00000`
8			`FFFF0008 24020005 ORI R2,R0,#5`
9			`FFFF000C 24030020 ORI R3,R0,#32`
10			`FFFF0010 EC221800 PUSH R1/R2/R3`
11			`FFFF0014 57FF0060 JSR $FFFF0060`
12			`FFFF0018 D4620800 POP R3/R2/R1`
13			`FFFF001C 00000035 STOP`
14
15			`FFFF0060 ORG $FFFF0060`
16			`FFFF0060 DBDE0018 LINK R30,#24`
17			`FFFF0064 24018000 ORI R1,R0,#$FFD00000`
18			`FFFF0068 FFD00000`
19			`FFFF006C 24020005 ORI R2,R0,#5`
20			`FFFF0070 24030020 ORI R3,R0,#32`
21			`FFFF0074 J1:`
22			`FFFF0074 E4230000 SH R3,0(R1)`
23			`FFFF0078 10210002 ADDI R1,R1,#2`
24			`FFFF007C 14420001 SUBI R2,R2,#1`
25			`FFFF0080 4006FFF0 BNE CR0,J1`
26			`FFFF0084 07DE0018 UNLK R30`
27			`FFFF0088 00000022 RTS #0,#0`
28
29			`FFFF008C CheckForKey:`
30			`FFFF008C C8018000 LB R1,KEYBD`
31			`FFFF0090 FFDC0000`
32			`FFFF0094 480B0800 SMI CR0,R1`
33			`FFFF0098 00000022 RTS`
34
35			`FFFF009C GetKey:`
36			`FFFF009C C8018000 LB R1,KEYBD`
37			`FFFF00A0 FFDC0000`
38			`FFFF00A4 C8008000 LB R0,KEYBDSTAT ; clear keyboard strobe`
39			`FFFF00A8 FFDC0002`
40			`FFFF00AC 00000022 RTS`
41
42

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Subversion Repositories klc32

[/] [klc32/] [trunk/] [software/] [bootrom.lst] - Blame information for rev 12